content: /*
   * Copyright 2016-present David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.rxjava3.debug;
  
  import org.reactivestreams.*;
  
  import io.reactivex.rxjava3.core.Flowable;
  import io.reactivex.rxjava3.operators.*;
  import io.reactivex.rxjava3.internal.subscribers.*;
  
  /**
   * Wraps a Publisher and inject the assembly info.
   *
   * @param <T> the value type
   */
  final class FlowableOnAssembly<T> extends Flowable<T> {
  
      final Publisher<T> source;
  
      final RxJavaAssemblyException assembled;
  
      FlowableOnAssembly(Publisher<T> source) {
          this.source = source;
          this.assembled = new RxJavaAssemblyException();
      }
  
      @Override
      protected void subscribeActual(Subscriber<? super T> s) {
          if (s instanceof ConditionalSubscriber) {
              source.subscribe(new OnAssemblyConditionalSubscriber<T>((ConditionalSubscriber<? super T>)s, assembled));
          } else {
              source.subscribe(new OnAssemblySubscriber<T>(s, assembled));
          }
      }
  
      static final class OnAssemblySubscriber<T> extends BasicFuseableSubscriber<T, T> {
  
          final RxJavaAssemblyException assembled;
  
          OnAssemblySubscriber(Subscriber<? super T> downstream, RxJavaAssemblyException assembled) {
              super(downstream);
              this.assembled = assembled;
          }
  
          @Override
          public void onNext(T t) {
              downstream.onNext(t);
          }
  
          @Override
          public void onError(Throwable t) {
              downstream.onError(assembled.appendLast(t));
          }
  
          @Override
          public int requestFusion(int mode) {
              QueueSubscription<T> qs = this.qs;
              if (qs != null) {
                  int m = qs.requestFusion(mode);
                  sourceMode = m;
                  return m;
              }
              return NONE;
          }
  
          @Override
          public T poll() throws Throwable {
              return qs.poll();
          }
      }
  
      static final class OnAssemblyConditionalSubscriber<T> extends BasicFuseableConditionalSubscriber<T, T> {
  
          final RxJavaAssemblyException assembled;
  
          OnAssemblyConditionalSubscriber(ConditionalSubscriber<? super T> downstream, RxJavaAssemblyException assembled) {
              super(downstream);
              this.assembled = assembled;
          }
  
          @Override
          public void onNext(T t) {
              downstream.onNext(t);
          }
  
          @Override
          public boolean tryOnNext(T t) {
              return downstream.tryOnNext(t);
          }
  
          @Override
          public void onError(Throwable t) {
              downstream.onError(assembled.appendLast(t));
          }
  
          @Override
          public int requestFusion(int mode) {
              QueueSubscription<T> qs = this.qs;
              if (qs != null) {
                  int m = qs.requestFusion(mode);
                  sourceMode = m;
                  return m;
              }
              return NONE;
          }
  
          @Override
          public T poll() throws Throwable {
              return qs.poll();
          }
      }
  }
  